/Engine/Source/Runtime/MaterialShaderQualitySettings/Classes/ShaderPlatformQualitySettings.h
const [FMaterialQualityOverrides](API\Runtime\MaterialShaderQualitySettings\FMaterialQualityOverrides) & GetQualityOverrides ( [EMaterialQualityLevel::Type](API\Runtime\Engine\EMaterialQualityLevel__Type) QualityLevel ) const